ASTM D4177 - 95(2010) en

Standard Practice for Automatic Sampling of Petroleum and Petroleum Products

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Status

Ingetrokken

Aantal pagina's

27

Gepubliceerd op

01-05-2010

Taal

Engels

1.1 This practice covers information for the design, installation, testing, and operation of automated equipment for the extraction of representative samples of petroleum and petroleum products from a flowing stream and storing them in a sample receiver. If sampling is for the precise determination of volatility, use Practice D5842 (API MPMS Chapter 8.4) in conjunction with this practice. For sample mixing, refer to Practice D5854 (API MPMS Chapter 8.3). Petroleum products covered in this practice are considered to be a single phase and exhibit Newtonian characteristics at the point of sampling.

1.2 Applicable Fluids—This practice is applicable to petroleum and petroleum products with vapor pressures at sampling and storage temperatures less than or equal to 101 kPa (14.7 psi). Refer to D5842 (API MPMS Chapter 8.4) when sampling for Reid vapor pressure (RVP) determination.

1.3.1 While the procedures covered by this practice will produce a representative sample of the flowing liquid into the sample receiver, specialized sample handling may be necessary to maintain sample integrity of more volatile materials at high temperatures or extended residence time in the receiver. Such handling requirements are not within the scope of this practice. Procedures for sampling these fluids are described in Practice D1265, Test Method , and GPA 2166.